RU2018107818A - LONG CARTRIDGED HOUSING - Google Patents

LONG CARTRIDGED HOUSING Download PDF

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Publication number
RU2018107818A
RU2018107818A RU2018107818A RU2018107818A RU2018107818A RU 2018107818 A RU2018107818 A RU 2018107818A RU 2018107818 A RU2018107818 A RU 2018107818A RU 2018107818 A RU2018107818 A RU 2018107818A RU 2018107818 A RU2018107818 A RU 2018107818A
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RU
Russia
Prior art keywords
blank
sets
pressing
back pressing
punches
Prior art date
Application number
RU2018107818A
Other languages
Russian (ru)
Other versions
RU2750069C2 (en
RU2018107818A3 (en
Inventor
Джеффри В. КАРПЕР
Кристофер В. СНЕЙВЛИ
Original Assignee
Нэшнл Машинери Ллк
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Нэшнл Машинери Ллк filed Critical Нэшнл Машинери Ллк
Publication of RU2018107818A publication Critical patent/RU2018107818A/en
Publication of RU2018107818A3 publication Critical patent/RU2018107818A3/ru
Application granted granted Critical
Publication of RU2750069C2 publication Critical patent/RU2750069C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/18—Making uncoated products by impact extrusion
    • B21C23/186—Making uncoated products by impact extrusion by backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/20—Making uncoated products by backward extrusion
    • B21C23/205—Making products of generally elongated shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/217—Tube extrusion presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/218—Indirect extrusion presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/02—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C26/00—Rams or plungers; Discs therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/04—Shaping thin-walled hollow articles, e.g. cartridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/26—Cartridge cases
    • F42B5/28—Cartridge cases of metal, i.e. the cartridge-case tube is of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metal Extraction Processes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Forging (AREA)

Claims (8)

1. Способ изготовления болванки продолговатой патронной гильзы, включающий в себя этапы, на которых: отрезают часть подаваемой проволоки для формирования начальной болванки, формируют трубку круглого сечения из одного конца болванки, при этом трубку формируют посредством, по меньшей мере, трех отдельных этапов обратного прессования.1. A method of manufacturing an elongated cartridge case blank, comprising the steps of: cutting off a portion of the feed wire to form an initial blank, forming a round tube from one end of the blank, the tube being formed by at least three separate back-pressing steps . 2. Способ по п. 1, в котором каждый последующий этап обратного прессования осуществляют с пуансоном, диаметр которого меньше диаметра пуансона, используемого на предыдущем этапе прессования, в результате чего образуется трубчатая болванка с тремя отдельными секциями, постепенно уменьшающегося внутреннего диаметра.2. The method according to p. 1, in which each subsequent step of the back pressing is carried out with a punch whose diameter is less than the diameter of the punch used in the previous pressing step, resulting in the formation of a tubular blank with three separate sections, gradually decreasing internal diameter. 3. Способ по п. 2, в котором указанные три этапа обратного прессования осуществляют на одном и том же станке.3. The method according to claim 2, wherein said three stages of back pressing are carried out on the same machine. 4. Способ по п. 3, в котором болванку, прошедшую обратное прессование, окончательно вытягивают на указанном том же станке.4. The method according to p. 3, in which the blank, past back pressing, is finally pulled on the same machine. 5. Способ формирования болванки патронной гильзы, включающий в себя этапы, на которых: осуществляют обратное прессование трубки из части проволочной заготовки в ходе этапов многократного обратного прессования для получения промежуточной болванки, которая может быть окончательно вытянута без предшествующего этапа отжига и которая, если не будут осуществлены этапы многократного обратного прессования, потребует отжига до окончательного вытягивания, чтобы исключить разрывы.5. A method of forming a cartridge case blank, which includes the steps of: back pressing the tube from a portion of the wire stock during the multiple back pressing steps to obtain an intermediate blank that can be finally stretched without the previous annealing step and which, if not the stages of multiple back pressing have been carried out; it will require annealing to the final stretching in order to eliminate tearing. 6. Комплект из пуансонов и матриц для формирования трубок болванок продолговатых патронных гильз в станке для последовательной холодной штамповки, содержащий по меньшей мере три набора пуансонов и матриц круглого сечения, при этом каждый набор предназначен для обратного прессования трубчатой секции болванки, второй набор из указанных наборов выполнен пропорционально, чтобы принимать и осуществлять обратное прессование болванки, сформированной в первом наборе из указанных наборов, и третий набор из указанных наборов выполнен пропорционально, чтобы принимать и осуществлять обратное прессование болванки, сформированной во втором наборе из указанных наборов.6. A set of punches and dies for forming tubes of elongated cartridge case blanks in a sequential cold stamping machine, comprising at least three sets of punches and dies of circular cross section, each set being used for back pressing the tubular section of the blank, the second set of these sets is made proportionally to receive and backpress the blanks formed in the first set of these sets, and the third set of these sets is made in proportion tionally to adopt and implement the reverse pressing blanks formed in the second set of these sets. 7. Комплект из пуансонов и матриц по п. 6, в котором наборы выполнены и расположены с возможностью совместного изготовления промежуточной болванки, содержащей три продолжающиеся по оси ступенчатые внутренние цилиндрические поверхности между открытым концом и фактически закрытым концом трубчатой болванки, при этом одна из указанных цилиндрических поверхностей с меньшим диаметром примыкает к фактически закрытому концу, а одна из указанных цилиндрических поверхностей большего диаметра примыкает к открытому концу.7. A set of punches and dies according to claim 6, in which the sets are made and arranged to jointly manufacture an intermediate blank containing three stepwise extending along the axis of the stepped inner cylindrical surface between the open end and the actually closed end of the tubular blank, one of these cylindrical surfaces with a smaller diameter adjacent to the actually closed end, and one of these cylindrical surfaces of larger diameter adjacent to the open end. 8. Комплект по п. 6, в котором наборы пуансонов и матрицы выполнены и расположены так, чтобы формировать предварительно вытянутую болванку со ступенчатой внутри цилиндрической трубкой с уступами между последовательными обратными прессованиями, которые расположены близко или контактируют с внешней частью вытяжного пуансона, когда вытяжной пуансон расположен в указанной предварительно вытянутой болванке.8. The kit according to claim 6, in which the sets of punches and dies are made and arranged so as to form a pre-elongated blank with a stepped inside cylindrical tube with ledges between successive back presses that are close or in contact with the outer part of the exhaust punch when the exhaust punch located in the specified previously elongated disc.
RU2018107818A 2017-03-07 2018-03-05 Elongated cartridge shell RU2750069C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/451,717 US10495430B2 (en) 2017-03-07 2017-03-07 Long cartridge case
US15/451,717 2017-03-07

Publications (3)

Publication Number Publication Date
RU2018107818A true RU2018107818A (en) 2019-09-05
RU2018107818A3 RU2018107818A3 (en) 2021-01-12
RU2750069C2 RU2750069C2 (en) 2021-06-21

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ID=61569122

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2018107818A RU2750069C2 (en) 2017-03-07 2018-03-05 Elongated cartridge shell

Country Status (13)

Country Link
US (2) US10495430B2 (en)
EP (1) EP3372324B1 (en)
KR (2) KR20180102496A (en)
CN (1) CN108568471B (en)
BR (1) BR102018004502B1 (en)
CA (1) CA2992123A1 (en)
ES (1) ES2854973T3 (en)
HK (1) HK1257806A1 (en)
IL (1) IL257093B (en)
MX (1) MX2018002850A (en)
PH (1) PH12018000026A1 (en)
PL (1) PL3372324T3 (en)
RU (1) RU2750069C2 (en)

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US11826818B2 (en) 2020-09-25 2023-11-28 Luvata Ohio, Inc. Boron steel high-pressure cartridge case
CN114178455A (en) * 2021-11-23 2022-03-15 北京机电研究所有限公司 Hot-cold composite forming process for large-caliber thin-wall elastomer
CN116871345B (en) * 2023-09-06 2023-12-01 陕西长羽航空装备股份有限公司 Reverse extrusion forming method for small-sized dissimilar alloy

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Also Published As

Publication number Publication date
MX2018002850A (en) 2018-09-12
EP3372324A1 (en) 2018-09-12
KR20220110154A (en) 2022-08-05
HK1257806A1 (en) 2019-11-01
IL257093A (en) 2018-03-29
CA2992123A1 (en) 2018-09-07
IL257093B (en) 2022-04-01
BR102018004502B1 (en) 2022-12-06
US20180259309A1 (en) 2018-09-13
PH12018000026A1 (en) 2019-11-11
US10495430B2 (en) 2019-12-03
ES2854973T3 (en) 2021-09-23
CN108568471A (en) 2018-09-25
EP3372324B1 (en) 2020-11-18
TW201833507A (en) 2018-09-16
US11333473B2 (en) 2022-05-17
PL3372324T3 (en) 2021-07-26
RU2750069C2 (en) 2021-06-21
KR20180102496A (en) 2018-09-17
US20200056870A1 (en) 2020-02-20
BR102018004502A2 (en) 2018-12-18
RU2018107818A3 (en) 2021-01-12
CN108568471B (en) 2021-09-10

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